<!DOCTYPE html>
<html >
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>表单</title>
    <style>
        form{
            width: 300px;
            border: 1px solid #ddd;
            text-align:center ;
            padding:10px 20px;
            box-sizing: border-box;
            margin: 40px auto;
            border-radius: 6px;
        }
        form div{
            margin:  15px 0;
        }
        form div select,
        form div button{
            width: 100%;
            height: 36px;
        }
        input[type='text'],
        input[type='password']
        {
            width: 100%;
            height: 36px;
            padding: 0 15px;
            box-sizing: border-box;
            border:  1px solid #ddd;
            border-radius: 4px;
           align-self: auto;

        }
        button{
            background-color: cornflowerblue;
            color: #fff;
            border: none;
            border-radius: 4px;
        }
        h4{
            font-size: 17px;
            margin: 15px 0;
        }
        .bo{
            color: darkblue;
            place-items: left;
        }
        
        
    </style>
</head>
<body>
    <form action="" method="">
        <h4>qq登录   &nbsp; &nbsp;&nbsp;&nbsp;  微信登录</h4>
        <div>
            <input type="text" placeholder="支持QQ号/邮箱/手机号登录   ">
        </div>
        <div>
            <input type="password" placeholder="QQ密码    ">
        </div>
      <div>
          <input type="checkbox">
          <table>下次自动登录</table>
      </div>
       <div>
        <button>登录</button>
       </div>
       <div class="bo"><a href="  ">扫码快速登录</a><br></div>
       <div class="bi" ><a href="  ">忘了密码</a></div>


    </form>

</body>
</html>